4293173667989 has 2 divisors, whose sum is σ = 4293173667990. Its totient is φ = 4293173667988.

The previous prime is 4293173667971. The next prime is 4293173668033. The reversal of 4293173667989 is 9897663713924.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3352597620100 + 940576047889 = 1831010^2 + 969833^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4293173667989 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4293173667089) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2146586833994 + 2146586833995.

It is an arithmetic number, because the mean of its divisors is an integer number (2146586833995).

Almost surely, 2^{4293173667989} is an apocalyptic number.

It is an amenable number.

4293173667989 is a deficient number, since it is larger than the sum of its proper divisors (1).

4293173667989 is an equidigital number, since it uses as much as digits as its factorization.

4293173667989 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 740710656, while the sum is 74.

The spelling of 4293173667989 in words is "four trillion, two hundred ninety-three billion, one hundred seventy-three million, six hundred sixty-seven thousand, nine hundred eighty-nine".